03 BULKHEAD LOCK NUT

Description & Features

This straight steel bulkhead lock nut is part of the 0306 series from Brennan Industries and is designed for use with 3/16" tube OD.

The 03 BULKHEAD LOCK NUT features male JIC SAE 37-degree flare threads with a 3/8-24 thread drill size and a 0.625" C hex 1mm. It adheres to SAE J514 thread specifications, ensuring reliable performance in demanding hydraulic applications. The overall length is 0.220".

SKU: 0306-03

Supplier Part Number (MPN): 0306-03

Alternate Part Numbers: 210212-3S, A210212-3S, C1DU46

Specifications

Connection Size 1
3/16 in
Connection Type
JIC
Connection Type 1
SAE 37 deg JIC
Dimension Standards
SAE J514
Dimensions
0.22 in W
Finish
Trivalent Zinc-Plated
Fitting Type
Locknut
Hex Size
5/8 in
Material
Steel
Material Construction
12L14/C1045 Steel
Series
0306 Series
Thread Size
3/8-24

Product Questions & Answers (1)

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Question by: Gary J on Sep 28, 2025, 1:57 PM
I need somethin' that'll work with a 3/16" tube. Is this the right fittin'?
Answer by: Customer Support on Sep 30, 2025, 6:33 AM
This bulkhead lock nut is designed for use with a 3/16" tube OD (outer diameter). So, yes, it should be the right fit for your needs. Just be sure to check the other thread and size specs to be completely sure.

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